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Understanding the formation of PEDOT:PSS films by ink-jet printing for organic solar cell applications

机译：了解PEDOT的形成：PSS薄膜通过喷墨印刷用于有机太阳能电池应用

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摘要

One of the most exciting aspects of organic electronic devices, in particular organic solar cells, is their potential for low cost and large scale manufacturing using printing technologies such as inkjet printing. In this manuscript, we report our work on developing an understanding of the ink-jet printing process to print smooth and transparent PEDOT:PSS (poly(3,4-ethylenedioxythiophene):poly(styrene sultanate)) films for organic solar cell devices. The parameters that were found to strongly affect the formation of a continuous PEDOT:PSS film were substrate surface treatment, drop spacing, substrate temperature during printing as well as annealing. We investigated the effect of these parameters through detailed morphological characterization using optical and atomic force microscopy and the results suggested that one can achieve a transmittance of 90% for a ca. 110 nm thick film with a uniform structure and morphology, fabricated using a drop spacing of 30 mu m and an annealing temperature of 120 degrees C. Overall, PEDOT:PSS film characteristics are strongly influenced by the substrate temperature during printing and annealing temperature as well as surface modification, determined by a mix of surface wetting characteristics, rate of evaporation of the solvent and coalescence of the printed lines. The organic solar devices fabricated using these inkjet printed PEDOT:PSS films show comparable performance yielding a power conversion efficiency of ca. 2.64% in comparison to ca. 3.1%, showed by the devices fabricated on standard spin coated PEDOT:PSS films.
机译：一项的有机电子器件中最令人兴奋的方面，特别是有机太阳能电池，其是低成本和大规模使用印刷技术，例如喷墨印刷制造的潜力。在该手稿，我们报告了关于发展喷墨印刷过程的理解来打印光滑透明PEDOT工作：PSS（聚（3,4-亚乙基）：聚（苯乙烯苏丹国））膜用于有机太阳能电池装置。被发现的是，参数强烈地影响连续PEDOT的形成：PSS薄膜是印刷以及退火期间基板表面处理，液滴间距，衬底温度。我们研究了通过详细的形态特征使用光学和原子力显微镜这些参数的效果，其结果表明，可以实现90％的透射率为约印刷和退火温度以及期间PSS膜特性在很大程度上受到基板温度的影响：110nm厚的膜具有均匀的结构和形态，使用液滴间距的30微米和120度C.总的来说，PEDOT的退火温度制造作为表面改性，通过的表面润湿特性，印刷线的溶剂和聚结的蒸发速率的混合确定。有机太阳能器件中使用这些喷墨印刷制造PEDOT：PSS薄膜显示出相当的性能产生约的功率转换效率相比于约2.64％ PSS膜：3.1％，由这些装置显示出对标准旋涂PEDOT制造。

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  • 来源
    《RSC Advances》 |2015年第96期|共9页
  • 作者

    Singh Arjun; Katiyar Monica; Garg Ashish;

  • 作者单位

    Indian Inst Technol Dept Mat Sci &

    Engn Kanpur 208016 Uttar Pradesh India;

    Indian Inst Technol Dept Mat Sci &

    Engn Kanpur 208016 Uttar Pradesh India;

    Indian Inst Technol Dept Mat Sci &

    Engn Kanpur 208016 Uttar Pradesh India;

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  • 正文语种 eng
  • 中图分类 化学;
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